CVE-2024-6429: WSO2 API Manager

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A content spoofing vulnerability exists in multiple WSO2 products due to improper error message handling. Under certain conditions, error messages are passed through URL parameters without validation, allowing malicious actors to inject arbitrary content into the UI. By exploiting this vulnerability, attackers can manipulate browser-displayed error messages, enabling social engineering attacks through deceptive or misleading content.

Affected products

• WSO2 API Manager: version 3.2.0 only; version 3.2.1 only; version 4.0.0 only; version 4.1.0 only; version 4.2.0 only; version 4.3.0 only; …
• WSO2 Identity Server: version 5.10.0 only; version 5.11.0 only; version 6.0.0 only; version 6.1.0 only; version 7.0.0 only

Published 2025-09-23. Last modified 2026-06-17.